login: panic: mtx 0xffffffff839bd848: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 42929 67513 32767 0x10 0 0 syz-executor 113859 52201 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dc0d5) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839bd848) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff839bd848) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008249ec0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008249ec0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008249ec0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806b8d6850,0,ffff80003c43a778,ffff80003c43a754,0,2,a05b4659155fa827,ffff80003c43a9d0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c43a998,ffff80003c43a9d0,ffff80003c43a800,ffff80003c43a808) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003c43a998,ffff80003c43a9d0,ffff80003c43a910) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806b1c0028,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c43ab20,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c43ab20) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7eb1714d8c30, count: 2 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: mtx 0xffffffff839bd848: locking against myself ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dc0d5) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839bd848) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff839bd848) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008249ec0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008249ec0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008249ec0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806b8d6850,0,ffff80003c43a778,ffff80003c43a754,0,2,a05b4659155fa827,ffff80003c43a9d0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c43a998,ffff80003c43a9d0,ffff80003c43a800,ffff80003c43a808) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003c43a998,ffff80003c43a9d0,ffff80003c43a910) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806b1c0028,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c43ab20,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c43ab20) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7eb1714d8c30, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c43a4c0 rbx 0xffffffff83804dcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff8000fffeb9c8 rax 0xffffffff83803ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x98bb6675fcdc20b7 r11 0xeb487cc2207eb9f2 r12 0xffffffff83804bd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff816ee895 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c43a4b0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=42929 pid=67513 tcnt=3 stat=onproc flags process=10 proc=0 runpri=50, usrpri=61, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffebc58,0xffff8000ffff14b0 process=0xffff8000fffe4e18 user=0xffff80003c435000, vmspace=0xfffffd806b1c0028 estcpu=11, cpticks=0, pctcpu=0.1, user=1, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 6247 72836 91695 32767 2 0x10 syz-executor 6247 76993 91695 32767 3 0x4000090 fsleep syz-executor 6247 285355 91695 32767 3 0x4000090 fsleep syz-executor 6247 56787 91695 32767 3 0x4000090 fsleep syz-executor *67513 42929 20969 32767 7 0x10 syz-executor 67513 321028 20969 32767 3 0x4000010 biowait syz-executor 67513 478858 20969 32767 3 0x4000090 fsleep syz-executor 52611 264617 86936 32767 2 0x10 syz-executor 52611 403448 86936 32767 3 0x4000090 sbwait syz-executor 52611 273334 86936 32767 3 0x4000090 msgwait syz-executor 52611 359047 86936 32767 3 0x4000090 fsleep syz-executor 52201 29667 68990 32767 2 0x10 syz-executor 52201 113859 68990 32767 7 0x4000010 syz-executor 91246 274834 79576 32767 2 0x482010 syz-executor 91246 372894 79576 32767 4 0x4482010 syz-executor 91246 332467 79576 32767 3 0x4402010 suspend syz-executor 91246 305300 79576 32767 4 0x4482010 syz-executor 33973 36132 10861 32767 2 0x10 syz-executor 33973 500548 10861 32767 3 0x4000090 fsleep syz-executor 24055 434092 61857 32767 3 0x90 nanoslp syz-executor 24055 30376 61857 32767 3 0x4000090 sbwait syz-executor 24055 437390 61857 32767 3 0x4000090 fsleep syz-executor 48847 397482 0 0 3 0x14200 bored sosplice 10861 685 86065 32767 3 0x90 nanoslp syz-executor 79576 411532 60813 32767 3 0x90 nanoslp syz-executor 91695 274228 49797 32767 3 0x90 nanoslp syz-executor 20969 176547 88358 32767 3 0x90 nanoslp syz-executor 61857 265427 31439 32767 3 0x90 nanoslp syz-executor 68990 349477 67537 32767 3 0x90 nanoslp syz-executor 38203 243052 22224 32767 3 0x10 getblk syz-executor 86936 94235 40456 32767 3 0x90 nanoslp syz-executor 86065 365545 49643 0 3 0x82 wait syz-executor 22224 135362 49643 0 3 0x82 wait syz-executor 49797 225099 49643 0 3 0x82 wait syz-executor 40456 54452 49643 0 3 0x82 wait syz-executor 67537 277138 49643 0 3 0x82 wait syz-executor 88358 326942 49643 0 3 0x82 wait syz-executor 31439 205410 49643 0 3 0x82 wait syz-executor 60813 36806 49643 0 3 0x82 wait syz-executor 49643 15432 30420 0 3 0x82 kqread syz-executor 30420 456620 25669 0 3 0x10008a sigsusp ksh 25669 404824 25176 0 3 0x98 kqread sshd-session 25176 354077 45587 0 3 0x92 kqread sshd-session 86369 168125 1 0 3 0x100083 ttyin getty 45587 449080 1 0 3 0x88 kqread sshd 17016 204778 99092 73 3 0x1100090 kqread syslogd 99092 499517 1 0 3 0x100082 sbwait syslogd 78182 18817 1 0 3 0x100080 kqread resolvd 81017 454227 65100 77 3 0x100092 kqread dhcpleased 46499 178944 65100 77 3 0x100092 kqread dhcpleased 65100 523231 1 0 3 0x80 kqread dhcpleased 112 270914 0 0 3 0x14200 bored smr 57353 163821 0 0 2 0x14200 zerothread 24278 164385 0 0 3 0x14200 aiodoned aiodoned 36117 39220 0 0 3 0x14200 syncer update 7794 37435 0 0 3 0x14200 cleaner cleaner 75261 469260 0 0 3 0x14200 reaper reaper 93590 514668 0 0 3 0x14200 pgdaemon pagedaemon 34063 319538 0 0 3 0x14200 bored viomb 38059 115415 0 0 3 0x40014200 acpi0 acpi0 48313 492224 0 0 3 0x40014200 idle1 7106 233933 0 0 3 0x14200 bored softnet3 86552 360677 0 0 3 0x14200 bored softnet2 94670 46517 0 0 3 0x14200 bored softnet1 6551 339877 0 0 3 0x14200 bored softnet0 40970 183665 0 0 3 0x14200 bored systqmp 42072 368627 0 0 3 0x14200 bored systq 82685 384164 0 0 3 0x14200 tmoslp softclockmp 26912 256319 0 0 3 0x40014200 tmoslp softclock 62679 516983 0 0 3 0x40014200 idle0 1 306945 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839bd858) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvn_get+0x679 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 #5 uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 #6 uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 67513 (syz-executor) thread 0xffff8000fffeb9c8 (42929) exclusive rwlock uobjlk r = 0 (0xfffffd8060495a90) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 uvn_io+0x667 sys/uvm/uvm_vnode.c:1297 #3 uvn_get+0x31d sys/uvm/uvm_vnode.c:1102 #4 uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 #5 uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 #6 uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839bd858) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvn_get+0x679 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 #5 uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 #6 uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 67513 (syz-executor) thread 0xffff8000fffe3c60 (321028) exclusive rrwlock inode r = 0 (0xfffffd806b8b0320) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_ftruncate+0x1c4 sys/kern/vfs_syscalls.c:2920 #6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 52201 (syz-executor) thread 0xffff8000fffea7d8 (113859) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83901700) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:412 #4 biowait+0xc1 sys/kern/vfs_bio.c:1246 #5 bwrite+0x2e5 sys/kern/vfs_bio.c:758 #6 ffs_write+0x830 sys/ufs/ffs/ffs_vnops.c:-1 #7 VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 #8 vn_write+0x1d4 sys/kern/vfs_vnops.c:408 #9 dofilewritev+0x23c sys/kern/sys_generic.c:380 #10 sys_write+0xa2 sys/kern/sys_generic.c:300 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c8a3678) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x190 sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 38203 (syz-executor) thread 0xffff8000ffff0cf0 (243052) exclusive rrwlock inode r = 0 (0xfffffd806b8b0f80) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:694 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c8a3c18) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10185 10954K 10965K 166960K 11262 0 pcb 17 12K 12K 166960K 17 0 rtable 234 6K 6K 166960K 352 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 3 1K 1K 166960K 3 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 29 0 iov 0 0K 8K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1334 84K 84K 166960K 1350 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 6 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 25 93K 125K 166960K 162 0 proc 58 79K 115K 166960K 474 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 4 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 346 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 267 177K 187K 166960K 3062 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 46 92K 116K 166960K 1184 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1 0 NDP 27 2K 2K 166960K 27 0 temp 37 8682K 8746K 166960K 3820 0 kqueue 14 22K 24K 166960K 24 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 39 0 35 1 0 1 1 0 8 0 rtentry 176 111 0 1 5 0 5 5 0 8 0 unpcb 144 39 0 21 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 808 19 0 11 1 0 1 1 0 8 0 arp 128 18 0 0 1 0 1 1 0 8 0 inpcb 384 81 0 65 2 0 2 2 0 8 0 nd6 144 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 453 0 0 29 0 29 29 0 8 0 art_table 32 454 0 0 4 0 4 4 0 8 0 art_node 16 110 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semapl 112 3 0 0 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1575 0 69 95 0 95 95 0 8 0 ffsino 288 1575 0 69 108 0 108 108 0 8 0 nchpl 144 1785 0 106 63 0 63 63 0 8 0 uvmvnodes 80 1656 0 0 34 0 34 34 0 8 0 vnodes 216 1656 0 0 92 0 92 92 0 8 0 namei 1024 5280 0 5280 2 0 2 2 0 8 2 percpumem 16 47 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 5974 0 5971 2 0 2 2 1 8 1 plimitpl 152 38 0 14 2 0 2 2 0 8 1 sigapl 424 442 0 386 9 1 8 8 0 8 1 futexpl 64 355 0 348 1 0 1 1 0 8 0 knotepl 120 60 0 0 2 0 2 2 0 8 0 kqueuepl 224 23 0 11 1 0 1 1 0 8 0 pipepl 336 98 0 71 3 0 3 3 0 8 0 fdescpl 520 423 0 386 4 0 4 4 0 8 0 filepl 160 1413 0 1187 10 0 10 10 0 8 0 lockfpl 104 13 0 10 1 0 1 1 0 8 0 lockfspl 48 8 0 5 1 0 1 1 0 8 0 sessionpl 144 21 0 5 1 0 1 1 0 8 0 pgrppl 48 29 0 5 1 0 1 1 0 8 0 ucredpl 104 117 0 98 1 0 1 1 0 8 0 zombiepl 144 386 0 386 1 0 1 1 0 8 1 processpl 1192 442 0 386 5 0 5 5 0 8 0 procpl 656 487 0 416 8 1 7 7 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 728 160 0 122 4 0 4 4 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 123 0 0 16 0 16 16 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 241 0 0 16 0 16 16 0 8 0 bufpl 280 2379 0 117 162 0 162 162 0 8 0 anonpl 32 7604 0 0 62 0 62 62 0 246 0 amapchunkpl 152 8706 0 8105 26 0 26 26 0 158 1 amappl16 200 2237 0 1964 15 0 15 15 0 8 0 amappl15 192 19 0 18 1 0 1 1 0 8 0 amappl14 184 132 0 122 1 0 1 1 0 8 0 amappl13 176 38 0 38 1 0 1 1 0 8 1 amappl12 168 1030 0 993 2 0 2 2 0 8 0 amappl11 160 48 0 38 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 0 1 1 0 8 1 amappl9 144 249 0 249 1 0 1 1 0 8 1 amappl8 136 25 0 24 1 0 1 1 0 8 0 amappl7 128 98 0 87 1 0 1 1 0 8 0 amappl6 120 186 0 183 1 0 1 1 0 8 0 amappl5 112 117 0 111 1 0 1 1 0 8 0 amappl4 104 293 0 279 1 0 1 1 0 8 0 amappl3 96 1373 0 1238 4 0 4 4 0 8 0 amappl2 88 602 0 550 2 0 2 2 0 8 0 amappl1 80 7918 0 7348 14 0 14 14 0 8 0 amappl 88 2415 0 2215 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 423 0 386 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 423 0 386 1 0 1 1 0 8 0 vmmpekpl 168 4985 0 4955 2 0 2 2 0 8 0 vmmpepl 168 34070 0 31704 106 0 106 106 0 357 0 vmsppl 480 422 0 386 6 0 6 6 0 8 0 rwobjpl 72 14129 0 11369 51 0 51 51 0 8 0 pdppl 4096 854 0 772 114 16 98 98 0 8 16 pvpl 32 14149 0 0 116 1 115 115 0 265 0 pmappl 256 422 0 386 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 400 0 18 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dc0d5) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839bd848) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff839bd848) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008249ec0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008249ec0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008249ec0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806b8d6850,0,ffff80003c43a778,ffff80003c43a754,0,2,a05b4659155fa827,ffff80003c43a9d0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c43a998,ffff80003c43a9d0,ffff80003c43a800,ffff80003c43a808) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003c43a998,ffff80003c43a9d0,ffff80003c43a910) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806b1c0028,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c43ab20,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c43ab20) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7eb1714d8c30, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff839014f8) at __mp_lock+0x1c sys/kern/kern_lock.c:-1 __mp_acquire_count(ffffffff839014f8,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 tsleep(fffffd80605a5d40,11,ffffffff833ea2dd,0) at tsleep+0x211 sys/kern/kern_synch.c:-1 biowait(fffffd80605a5d40) at biowait+0xc1 sys/kern/vfs_bio.c:1246 bwrite(fffffd80605a5d40) at bwrite+0x2e5 sys/kern/vfs_bio.c:758 ffs2_balloc(fffffd806c8a35d8,dc000,4000,fffffd807f7d3410,2,ffff80003c442938) at ffs2_balloc+0x18d0 sys/ufs/ffs/ffs_balloc.c:701 ffs_write(ffff80003c4429c0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806230e288,ffff80003c442b68,7,fffffd807f7d3410) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd8062212688,ffff80003c442b68,0) at vn_write+0x1d4 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000fffea7d8,4,ffff80003c442b68,0,ffff80003c442c20) at dofilewritev+0x23c sys/kern/sys_generic.c:380 end trace frame: 0xffff80003c442bf0, count: 0 ddb{1}> trace x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff839014f8) at __mp_lock+0x1c sys/kern/kern_lock.c:-1 __mp_acquire_count(ffffffff839014f8,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 tsleep(fffffd80605a5d40,11,ffffffff833ea2dd,0) at tsleep+0x211 sys/kern/kern_synch.c:-1 biowait(fffffd80605a5d40) at biowait+0xc1 sys/kern/vfs_bio.c:1246 bwrite(fffffd80605a5d40) at bwrite+0x2e5 sys/kern/vfs_bio.c:758 ffs2_balloc(fffffd806c8a35d8,dc000,4000,fffffd807f7d3410,2,ffff80003c442938) at ffs2_balloc+0x18d0 sys/ufs/ffs/ffs_balloc.c:701 ffs_write(ffff80003c4429c0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806230e288,ffff80003c442b68,7,fffffd807f7d3410) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd8062212688,ffff80003c442b68,0) at vn_write+0x1d4 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000fffea7d8,4,ffff80003c442b68,0,ffff80003c442c20) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff8000fffea7d8,ffff80003c442cd0,ffff80003c442c20) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c442cd0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c442cd0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8a4b8dd1790, count: -17